2012

14.11.2012
Mobile TeleSystems Announces Financial Results for the Third Quarter Ended September 30, 2012

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” - NYSE: MBT), the leading telecommunications provider in Russia and the CIS, today announces its unaudited US GAAP financial results for the three months ended September 30, 2012.

13.11.2012
Ad Hoc Notice

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” or the “Company” – NYSE: MBT), the leading telecommunications provider in Russia and the CIS, announces that on November 12, 2012, MTS’s wholly-owned subsidiary Comstar-Regions CJSC acquired a 5.51% stake in Telecompany Spectr OJSC (“Telecompany Spectr”), a provider of fixed broadband and pay-TV services in the Leningrad Oblast.

08.11.2012
Ad Hoc Notice

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” or the “Company” – NYSE: MBT), the leading telecommunications provider in Russia and the CIS, announces that the Appeals Court of the Tashkent City Criminal Court has granted the appeal of FE LLC “Uzdunrobita”, MTS’s wholly-owned subsidiary in Uzbekistan (“MTS-Uzbekistan”), to challenge a decision, dated September 17, 2012, by the Tashkent City Criminal Court, which ruled to confiscate all assets of MTS-Uzbekistan in relation to a criminal case against four employees of MTS Uzbekistan.

06.11.2012
MTS and Microsoft to Promote Mobile Internet Usage in Russia

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” or the “Company” – NYSE: MBT), the leading telecommunications provider in Russia and the CIS, announces a strategic initiative with Microsoft, the global IT leader, to promote innovative mobile solutions by launching Windows 8 “ Ecosystem Demo Zones” in MTS retail stores.

02.11.2012
MTS Enhances its Presence in the Broadband and Pay-TV Market in the Kursk Oblast

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” or the “Company” – NYSE: MBT), the leading telecommunications provider in Russia and the CIS, announces the acquisition of Pilot LLC and TVKiK LLC, which provide fixed broadband and pay-TV services in the cities Kurchatov and Schigry in the Kursk Oblast, from private investors. The purchase price, including the net debt of both companies, amounts to 90.7 million rubles.

25.10.2012
MTS To Acquire Stake in MTS Bank

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecommunications operator in Russia and the CIS, announces its plans to purchase up to 25.095% stake in MTS Bank, known as the Moscow Bank for Reconstruction and Development (MBRD) prior to February 2012, following the signing of a non-binding indicative offer between MTS, MTS Bank and Sistema JSFC ("Sistema") (LSE: SSA), the largest diversified public financial corporation in Russia and the CIS and the majority shareholder of MTS and MTS Bank. The transaction would greatly enhance MTS’s ability to offer financial products and services to its nearly 70 million customers in Russia.

25.10.2012
MTS Acquires Fixed Broadband Provider in Zheleznogorsk

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” or the “Company” – NYSE: MBT), the leading telecommunications provider in Russia and the CIS, announces the acquisition of a 100% stake in Zheleznogorsk City Telephone Communications CJSC (“ZhelGorTeleCom”), the leading fixed broadband provided in Zheleznogorsk, the second largest city in the Kursk Oblast, from private investors. The purchase price, including net debt, amounts to 152 million rubles.

25.10.2012
Ad Hoc Notice

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecommunications operator in Russia and the CIS, announces the resignation of Mr. Paul Ostling from the Board of Directors of MTS.

25.10.2012
MTS Announces Decisions of its Board of Directors

Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the leading telecommunications operator in Russia and the CIS, announces the decisions reached at a meeting of the Board of Directors of MTS held on October 24, 2012.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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